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osvGoogleOSV:BIT-PHP-2024-2757
HistoryMay 14, 2024 - 7:29 a.m.

BIT-php-2024-2757

2024-05-1407:29:20
Google
osv.dev
9
php
mb_encode_mimeheader
dos attack
software security

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%

In PHP 8.3.* before 8.3.5, functionΒ mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.

CPENameOperatorVersion
phplt8.3.5
phpge8.3.0

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.1 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.7%